click / zoom. Enable Leaflet. Keep #map { height: 320px } in CSS.

Goal

Run every block and confirm the chart is visible.

<div id="map"></div>

#map { height: 320px; width: 100%; }

const map = L.map("map").setView([-1.29, 36.82], 6);
L.tileLayer("https://tile.openstreetmap.org/{z}/{x}/{y}.png", { attribution: "© OSM" }).addTo(map);
map.on("click", (e) => console.log("click", e.latlng.lat.toFixed(2), e.latlng.lng.toFixed(2)));
console.log("click the map");

<div id="map"></div>

const map = L.map("map").setView([-1.29, 36.82], 6);
L.tileLayer("https://tile.openstreetmap.org/{z}/{x}/{y}.png", { attribution: "© OSM" }).addTo(map);
L.marker([-1.29, 36.82]).addTo(map);
console.log("marker");